fix: ftbfs

Signed-off-by: Han Gao <gaohan@iscas.ac.cn>

diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l
index fd825ebba69cb25e160e057f53bef994970093fc..f57c9a7e83ac453bedb7ab5faaa806e5a77f706a 100644 (file)
--- a/scripts/dtc/dtc-lexer.l
+++ b/scripts/dtc/dtc-lexer.l
@@ -38,7 +38,7 @@ LINECOMMENT   "//".*\n
 #include "srcpos.h"
 #include "dtc-parser.tab.h"
 
-YYLTYPE yylloc;
+extern YYLTYPE yylloc;
 extern bool treesource_error;
 
 /* CAUTION: this will stop working if we ever use yyless() or yyunput() */